rs147692872
Variant summary
Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_ModerateBP6BP7
The NM_020975.6(RET):c.1878G>A(p.Gln626Gln) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000955 in 1,612,932 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_020975.6 splice_region, synonymous
Scores
Clinical Significance
Conservation
Publications
- familial medullary thyroid carcinomaInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
- multiple endocrine neoplasia type 2AInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen, G2P
- multiple endocrine neoplasia type 2BInheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Labcorp Genetics (formerly Invitae), ClinGen
- pheochromocytomaInheritance: AD Classification: DEFINITIVE Submitted by: G2P
- Hirschsprung disease, susceptibility to, 1Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
- Haddad syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- Hirschsprung diseaseInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- renal agenesis, unilateralInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- bilateral renal agenesisInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
- renal agenesisInheritance: AR Classification: LIMITED Submitted by: G2P
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ACMG classification
Our verdict: Likely_benign. The variant received -4 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| RET | NM_020975.6 | c.1878G>A | p.Gln626Gln | splice_region_variant, synonymous_variant | Exon 10 of 20 | ENST00000355710.8 | NP_066124.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000263 AC: 4AN: 152150Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.0000362 AC: 9AN: 248398 AF XY: 0.0000149 show subpopulations
GnomAD4 exome AF: 0.000103 AC: 150AN: 1460782Hom.: 0 Cov.: 31 AF XY: 0.0000881 AC XY: 64AN XY: 726590 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000263 AC: 4AN: 152150Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74326 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Multiple endocrine neoplasia type 2A Uncertain:1Benign:1
This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -
This variant is considered likely benign. This variant has been observed at a population frequency that is significantly greater than expected given the associated disease prevalence and penetrance. -
Multiple endocrine neoplasia, type 2 Uncertain:1Benign:1
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This sequence change affects codon 626 of the RET mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the RET protein. It affects a nucleotide within the consensus splice site. This variant is present in population databases (rs147692872, gnomAD 0.008%). This variant has not been reported in the literature in individuals affected with RET-related conditions. ClinVar contains an entry for this variant (Variation ID: 405550). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Hereditary cancer-predisposing syndrome Benign:2
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This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
RET-related disorder Benign:1
This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at